Chip and Joanna Gaines rose to fame with their HGTV show Fixer Upper, which became an instant hit for the network and one of the most-watched shows on TV. The couple have capitalized on their success with their own store, a magazine, home improvement books, and partnerships with big name brands like Target.

But fans of the home renovation series were surprised to learn that the couple would be ending the series after season five, which premieres in November. The announcement ignited speculation that the couple were splitting up, a rumor that has popped up now and then since their show first started.

Now, in a surprising interview, Chip admits that there's "a little credence" to those divorce rumors, and that the tension in his marriage with Joanna is part of the reason why Fixer Upper is ending. He even describes worrying that their relationship had reached "a point of no return."